自由民主的传播和世界经济的整合创造了一种情况,即大国不再愿意相互开战。
技术突破不是一蹴而就的,需要长期投入和耐心积累。
I don't care about winning or losing, only about trying my best.
The world is a book, and those who do not travel read only one page.
每一个实验都会破坏通过先前实验获得的关于系统的某些知识。